“…Since previous work also indicated an effect on mitochondrial permeability transition [ 35 ], it was natural to transfer our own previous findings on pentacyclic triterpenes to the diterpene isosteviol. Of particular interest were benzyl and pyridine-amides, (iso)-quinoline amides, and especially (homo)-piperazinyl-spacered rhodamine B and rhodamine 101 conjugates [ 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 ].…”